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postage
1977, May 17 100th Anniversary of the Telephone and World Telecommunications Day issue unwmk (no perf info) (15 stamps)
| - | 10fr | multi | Alexander Graham Bell | |||
| - | 10fr | multi | ||||
| - | 10fr | multi | — | — | ||
| - | 17fr | multi | ||||
| - | 17fr | multi | ||||
| - | 17fr | multi | — | — | ||
| - | 18fr | multi | Alexander Graham Bell | |||
| - | 18fr | multi | ||||
| - | 18fr | multi | Airmail | — | — | |
| - | 26fr | multi | A. G. Bell and First Telephone | |||
| - | 26fr | multi | ||||
| - | 26fr | multi | — | — | ||
| - | 36fr | multi | ||||
| - | 36fr | multi | ||||
| - | 36fr | multi | Airmail | — | — |
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